---
title: Period.Working Property (Project)
ms.prod: project-server
api_name:
- Project.Period.Working
ms.assetid: 0a921e9d-2143-74d0-7eb3-1c70596113bf
ms.date: 06/08/2017
---


# Period.Working Property (Project)

 **True** if any day in the calendar period is a working day. Read/write **Boolean**.


## Syntax

 _expression_. **Working**

 _expression_ A variable that represents a **Period** object.


## Remarks

For an example that uses the  **Month** object, see **[Working](month-working-property-project.md)**.


